单项选择题

过点A（0，3）和B（2，1）的直线方程是( )
A、x+y−1=0
B、x−y−3=0
C、x+y−3=0
D、2x−y−1=0

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About author information in a manuscript submitted to a journal, which of the following statements is wrong?

A．Make sure that your author information appears only in the title page.
B． Ensure that your identity cannot be revealed by any information in the main text, which is to be sent to peer reviewers.
C． Make sure that peer reviewers can identify who you are.
D．Ensure that your affiliation cannot be revealed by any information in the main text.